startList = function() {
	
	if (document.all&&document.getElementById) {

		navRoot = document.getElementById("nav");
		//alert(navRoot.childNodes.length);
		
		for (i=0; i<navRoot.childNodes.length; i++) {
			
			node = navRoot.childNodes[i];
			
			if (node.nodeName=="LI") {
				
				node.onmouseover = function() {
					//alert("over node");
					this.className+=" over";
				}
				
				node.onmouseout=function() {
					this.className = this.className.replace (" over", "");
				}
			}
		}
	}
}

window.onload=startList;